2759135640 has 64 divisors (see below), whose sum is σ = 8282152800. Its totient is φ = 735347712.

The previous prime is 2759135627. The next prime is 2759135651. The reversal of 2759135640 is 465319572.

It is a super-2 number, since 2×2759135640² = 15225658959836419200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2759135592 and 2759135601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242724 + ... + 253836.

Almost surely, 2^2759135640 is an apocalyptic number.

2759135640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2759135640 is an abundant number, since it is smaller than the sum of its proper divisors (5523017160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2759135640 is a wasteful number, since it uses less digits than its factorization.

2759135640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196 (or 13192 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2759135640 is about 52527.4750963722. The cubic root of 2759135640 is about 1402.5693700774.

The spelling of 2759135640 in words is "two billion, seven hundred fifty-nine million, one hundred thirty-five thousand, six hundred forty".